Environment Report 2018

Cuttings from Oil-Based Fluids Cuttings from Water-Based Fluids Well count

60,000

200

50,000

150

40,000

30,000

100

20,000

Total wells drilled on the UKCS

Cuttings Discharged to Sea (Tonnes)

50

10,000

0

0

2010 2011 2012 2013 2014 2015 2016 2017

Source: EEMS October 2018

International Comparison

90,800 tonnes of water-based fluid cuttings were discharged to the sea during oil and gas production in Norway in 2017. Of the 97,100 tonnes of oil-based fluid cuttings generated, 35 per cent were reinjected, 65 per cent transported to land, and none were discharged to sea.